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Finding the Fourth Proportional to 584,169.60, 874,310.40 and 423,789.60

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Solution

The fourth proportional to 584,169.60, 874,310.40 and 423,789.60 is: 634,274.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,169.60 : 874,310.40 = 423,789.60 : x
  2. Step 2: Convert to fraction form
    584,169.60/874,310.40 = 423,789.60/x
  3. Step 3: Cross multiply
    584,169.60x = 874,310.40 × 423,789.60
  4. Step 4: Simplify right side
    584,169.60x = 370,523,654,691.84
  5. Step 5: Solve for x
    x = 370,523,654,691.84/584,169.60
  6. Step 6: Final answer
    x = 634,274.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.